1f4b3ec61Sdh /* 2f4b3ec61Sdh * Copyright (C) 1993-2001, 2003 by Darren Reed. 3f4b3ec61Sdh * 4f4b3ec61Sdh * See the IPFILTER.LICENCE file for details on licencing. 5f4b3ec61Sdh * 6d6c23f6fSyx * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 7f4b3ec61Sdh * Use is subject to license terms. 8f4b3ec61Sdh */ 9f4b3ec61Sdh 10f4b3ec61Sdh #ifndef __IPF_STACK_H__ 11f4b3ec61Sdh #define __IPF_STACK_H__ 12f4b3ec61Sdh 13f4b3ec61Sdh /* FIXME: appears needed for ip_proxy.h - tcpseq */ 14f4b3ec61Sdh #include <net/route.h> 15f4b3ec61Sdh #include <netinet/in.h> 16f4b3ec61Sdh #include <netinet/in_systm.h> 17f4b3ec61Sdh #include <netinet/ip.h> 18f4b3ec61Sdh #include <netinet/ip_var.h> 19f4b3ec61Sdh #include <netinet/tcp.h> 20f4b3ec61Sdh #include <netinet/udp.h> 21f4b3ec61Sdh #include <netinet/ip_icmp.h> 22f4b3ec61Sdh #include <netinet/tcpip.h> 23f4b3ec61Sdh 24f4b3ec61Sdh #include "ip_compat.h" 25f4b3ec61Sdh #include "ip_fil.h" 26f4b3ec61Sdh #include "ip_nat.h" 27f4b3ec61Sdh #include "ip_frag.h" 28f4b3ec61Sdh #include "ip_state.h" 29f4b3ec61Sdh #include "ip_proxy.h" 30f4b3ec61Sdh #include "ip_auth.h" 31f4b3ec61Sdh #include "ip_lookup.h" 32f4b3ec61Sdh #include "ip_pool.h" 33f4b3ec61Sdh #include "ip_htable.h" 34f4b3ec61Sdh #include <net/radix.h> 35f4b3ec61Sdh #include <sys/neti.h> 36f4b3ec61Sdh #include <sys/hook.h> 37f4b3ec61Sdh 38f4b3ec61Sdh /* 39f4b3ec61Sdh * IPF stack instances 40f4b3ec61Sdh */ 41f4b3ec61Sdh struct ipf_stack { 42*7ddc9b1aSDarren Reed struct ipf_stack *ifs_next; 43*7ddc9b1aSDarren Reed struct ipf_stack **ifs_pnext; 44*7ddc9b1aSDarren Reed netid_t ifs_netid; 45*7ddc9b1aSDarren Reed zoneid_t ifs_zone; 46f4b3ec61Sdh 47f4b3ec61Sdh /* ipf module */ 48f4b3ec61Sdh 49f4b3ec61Sdh filterstats_t ifs_frstats[2]; 50f4b3ec61Sdh frentry_t *ifs_ipfilter[2][2]; 51f4b3ec61Sdh frentry_t *ifs_ipfilter6[2][2]; 52f4b3ec61Sdh frentry_t *ifs_ipacct6[2][2]; 53f4b3ec61Sdh frentry_t *ifs_ipacct[2][2]; 54f4b3ec61Sdh #if 0 /* not used */ 55f4b3ec61Sdh frentry_t *ifs_ipnatrules[2][2]; 56f4b3ec61Sdh #endif 57f4b3ec61Sdh frgroup_t *ifs_ipfgroups[IPL_LOGSIZE][2]; 58f4b3ec61Sdh int ifs_fr_refcnt; 59f4b3ec61Sdh /* 60f4b3ec61Sdh * For fr_running: 61f4b3ec61Sdh * 0 == loading, 1 = running, -1 = disabled, -2 = unloading 62f4b3ec61Sdh */ 63f4b3ec61Sdh int ifs_fr_running; 64f4b3ec61Sdh int ifs_fr_flags; 65f4b3ec61Sdh int ifs_fr_active; 66f4b3ec61Sdh int ifs_fr_control_forwarding; 67f4b3ec61Sdh int ifs_fr_update_ipid; 68f4b3ec61Sdh #if 0 69f4b3ec61Sdh ushort_t ifs_fr_ip_id; 70f4b3ec61Sdh #endif 71f4b3ec61Sdh int ifs_fr_chksrc; 72f4b3ec61Sdh int ifs_fr_minttl; 73f4b3ec61Sdh int ifs_fr_icmpminfragmtu; 74f4b3ec61Sdh int ifs_fr_pass; 75f4b3ec61Sdh ulong_t ifs_fr_frouteok[2]; 76f4b3ec61Sdh ulong_t ifs_fr_userifqs; 77f4b3ec61Sdh ulong_t ifs_fr_badcoalesces[2]; 78f4b3ec61Sdh uchar_t ifs_ipf_iss_secret[32]; 79f4b3ec61Sdh timeout_id_t ifs_fr_timer_id; 80f4b3ec61Sdh #if 0 81f4b3ec61Sdh timeout_id_t ifs_synctimeoutid; 82f4b3ec61Sdh #endif 83f4b3ec61Sdh int ifs_ipf_locks_done; 84f4b3ec61Sdh 85f4b3ec61Sdh ipftoken_t *ifs_ipftokenhead; 86f4b3ec61Sdh ipftoken_t **ifs_ipftokentail; 87f4b3ec61Sdh 88f4b3ec61Sdh ipfmutex_t ifs_ipl_mutex; 89f4b3ec61Sdh ipfmutex_t ifs_ipf_authmx; 90f4b3ec61Sdh ipfmutex_t ifs_ipf_rw; 91f4b3ec61Sdh ipfmutex_t ifs_ipf_timeoutlock; 92f4b3ec61Sdh ipfrwlock_t ifs_ipf_mutex; 93f4b3ec61Sdh ipfrwlock_t ifs_ipf_global; 94f4b3ec61Sdh ipfrwlock_t ifs_ip_poolrw; 95f4b3ec61Sdh ipfrwlock_t ifs_ipf_frag; 96f4b3ec61Sdh ipfrwlock_t ifs_ipf_state; 97f4b3ec61Sdh ipfrwlock_t ifs_ipf_nat; 98f4b3ec61Sdh ipfrwlock_t ifs_ipf_natfrag; 99f4b3ec61Sdh ipfmutex_t ifs_ipf_nat_new; 100f4b3ec61Sdh ipfmutex_t ifs_ipf_natio; 101f4b3ec61Sdh ipfrwlock_t ifs_ipf_auth; 102f4b3ec61Sdh ipfmutex_t ifs_ipf_stinsert; 103f4b3ec61Sdh ipfrwlock_t ifs_ipf_ipidfrag; 104f4b3ec61Sdh ipfrwlock_t ifs_ipf_tokens; 105f4b3ec61Sdh kcondvar_t ifs_iplwait; 106f4b3ec61Sdh kcondvar_t ifs_ipfauthwait; 107f4b3ec61Sdh 108f4b3ec61Sdh ipftuneable_t *ifs_ipf_tuneables; 109f4b3ec61Sdh ipftuneable_t *ifs_ipf_tunelist; 110f4b3ec61Sdh 111f4b3ec61Sdh /* ip_fil_solaris.c */ 112*7ddc9b1aSDarren Reed hook_t *ifs_ipfhook4_in; 113*7ddc9b1aSDarren Reed hook_t *ifs_ipfhook4_out; 114*7ddc9b1aSDarren Reed hook_t *ifs_ipfhook4_loop_in; 115*7ddc9b1aSDarren Reed hook_t *ifs_ipfhook4_loop_out; 116*7ddc9b1aSDarren Reed hook_t *ifs_ipfhook4_nicevents; 117*7ddc9b1aSDarren Reed hook_t *ifs_ipfhook6_in; 118*7ddc9b1aSDarren Reed hook_t *ifs_ipfhook6_out; 119*7ddc9b1aSDarren Reed hook_t *ifs_ipfhook6_loop_in; 120*7ddc9b1aSDarren Reed hook_t *ifs_ipfhook6_loop_out; 121*7ddc9b1aSDarren Reed hook_t *ifs_ipfhook6_nicevents; 122f4b3ec61Sdh 123f4b3ec61Sdh /* flags to indicate whether hooks are registered. */ 124f4b3ec61Sdh boolean_t ifs_hook4_physical_in; 125f4b3ec61Sdh boolean_t ifs_hook4_physical_out; 126f4b3ec61Sdh boolean_t ifs_hook4_nic_events; 127f4b3ec61Sdh boolean_t ifs_hook4_loopback_in; 128f4b3ec61Sdh boolean_t ifs_hook4_loopback_out; 129f4b3ec61Sdh boolean_t ifs_hook6_physical_in; 130f4b3ec61Sdh boolean_t ifs_hook6_physical_out; 131f4b3ec61Sdh boolean_t ifs_hook6_nic_events; 132f4b3ec61Sdh boolean_t ifs_hook6_loopback_in; 133f4b3ec61Sdh boolean_t ifs_hook6_loopback_out; 134f4b3ec61Sdh 135f4b3ec61Sdh int ifs_ipf_loopback; 136*7ddc9b1aSDarren Reed net_handle_t ifs_ipf_ipv4; 137*7ddc9b1aSDarren Reed net_handle_t ifs_ipf_ipv6; 138f4b3ec61Sdh 139f4b3ec61Sdh /* ip_auth.c */ 140f4b3ec61Sdh int ifs_fr_authsize; 141f4b3ec61Sdh int ifs_fr_authused; 142f4b3ec61Sdh int ifs_fr_defaultauthage; 143f4b3ec61Sdh int ifs_fr_auth_lock; 144f4b3ec61Sdh int ifs_fr_auth_init; 145f4b3ec61Sdh fr_authstat_t ifs_fr_authstats; 146f4b3ec61Sdh frauth_t *ifs_fr_auth; 147f4b3ec61Sdh mb_t **ifs_fr_authpkts; 148f4b3ec61Sdh int ifs_fr_authstart; 149f4b3ec61Sdh int ifs_fr_authend; 150f4b3ec61Sdh int ifs_fr_authnext; 151f4b3ec61Sdh frauthent_t *ifs_fae_list; 152f4b3ec61Sdh frentry_t *ifs_ipauth; 153f4b3ec61Sdh frentry_t *ifs_fr_authlist; 154f4b3ec61Sdh 155f4b3ec61Sdh /* ip_frag.c */ 156f4b3ec61Sdh ipfr_t *ifs_ipfr_list; 157f4b3ec61Sdh ipfr_t **ifs_ipfr_tail; 158f4b3ec61Sdh ipfr_t **ifs_ipfr_heads; 159f4b3ec61Sdh 160f4b3ec61Sdh ipfr_t *ifs_ipfr_natlist; 161f4b3ec61Sdh ipfr_t **ifs_ipfr_nattail; 162f4b3ec61Sdh ipfr_t **ifs_ipfr_nattab; 163f4b3ec61Sdh 164f4b3ec61Sdh ipfr_t *ifs_ipfr_ipidlist; 165f4b3ec61Sdh ipfr_t **ifs_ipfr_ipidtail; 166f4b3ec61Sdh ipfr_t **ifs_ipfr_ipidtab; 167f4b3ec61Sdh 168f4b3ec61Sdh ipfrstat_t ifs_ipfr_stats; 169f4b3ec61Sdh int ifs_ipfr_inuse; 170f4b3ec61Sdh int ifs_ipfr_size; 171f4b3ec61Sdh 172f4b3ec61Sdh int ifs_fr_ipfrttl; 173f4b3ec61Sdh int ifs_fr_frag_lock; 174f4b3ec61Sdh int ifs_fr_frag_init; 175f4b3ec61Sdh ulong_t ifs_fr_ticks; 176f4b3ec61Sdh 177f4b3ec61Sdh frentry_t ifs_frblock; 178f4b3ec61Sdh 179f4b3ec61Sdh /* ip_htable.c */ 180f4b3ec61Sdh iphtable_t *ifs_ipf_htables[IPL_LOGSIZE]; 181f4b3ec61Sdh ulong_t ifs_ipht_nomem[IPL_LOGSIZE]; 182f4b3ec61Sdh ulong_t ifs_ipf_nhtables[IPL_LOGSIZE]; 183f4b3ec61Sdh ulong_t ifs_ipf_nhtnodes[IPL_LOGSIZE]; 184f4b3ec61Sdh 185f4b3ec61Sdh /* ip_log.c */ 186f4b3ec61Sdh iplog_t **ifs_iplh[IPL_LOGSIZE]; 187f4b3ec61Sdh iplog_t *ifs_iplt[IPL_LOGSIZE]; 188f4b3ec61Sdh iplog_t *ifs_ipll[IPL_LOGSIZE]; 189f4b3ec61Sdh int ifs_iplused[IPL_LOGSIZE]; 190f4b3ec61Sdh fr_info_t ifs_iplcrc[IPL_LOGSIZE]; 191f4b3ec61Sdh int ifs_ipl_suppress; 192f4b3ec61Sdh int ifs_ipl_buffer_sz; 193f4b3ec61Sdh int ifs_ipl_logmax; 194f4b3ec61Sdh int ifs_ipl_logall; 195f4b3ec61Sdh int ifs_ipl_log_init; 196f4b3ec61Sdh int ifs_ipl_logsize; 197f4b3ec61Sdh 198f4b3ec61Sdh /* ip_lookup.c */ 199f4b3ec61Sdh ip_pool_stat_t ifs_ippoolstat; 200f4b3ec61Sdh int ifs_ip_lookup_inited; 201f4b3ec61Sdh 202f4b3ec61Sdh /* ip_nat.c */ 203f4b3ec61Sdh /* nat_table[0] -> hashed list sorted by inside (ip, port) */ 204f4b3ec61Sdh /* nat_table[1] -> hashed list sorted by outside (ip, port) */ 205f4b3ec61Sdh nat_t **ifs_nat_table[2]; 206f4b3ec61Sdh nat_t *ifs_nat_instances; 207f4b3ec61Sdh ipnat_t *ifs_nat_list; 208f4b3ec61Sdh uint_t ifs_ipf_nattable_sz; 209f4b3ec61Sdh uint_t ifs_ipf_nattable_max; 210f4b3ec61Sdh uint_t ifs_ipf_natrules_sz; 211f4b3ec61Sdh uint_t ifs_ipf_rdrrules_sz; 212f4b3ec61Sdh uint_t ifs_ipf_hostmap_sz; 213f4b3ec61Sdh uint_t ifs_fr_nat_maxbucket; 214f4b3ec61Sdh uint_t ifs_fr_nat_maxbucket_reset; 215f4b3ec61Sdh uint32_t ifs_nat_masks; 216f4b3ec61Sdh uint32_t ifs_rdr_masks; 217d6c23f6fSyx uint32_t ifs_nat6_masks[4]; 218d6c23f6fSyx uint32_t ifs_rdr6_masks[4]; 219f4b3ec61Sdh ipnat_t **ifs_nat_rules; 220f4b3ec61Sdh ipnat_t **ifs_rdr_rules; 221f4b3ec61Sdh hostmap_t **ifs_maptable; 222f4b3ec61Sdh hostmap_t *ifs_ipf_hm_maplist; 223f4b3ec61Sdh 224f4b3ec61Sdh ipftq_t ifs_nat_tqb[IPF_TCP_NSTATES]; 225f4b3ec61Sdh ipftq_t ifs_nat_udptq; 226f4b3ec61Sdh ipftq_t ifs_nat_icmptq; 227f4b3ec61Sdh ipftq_t ifs_nat_iptq; 228f4b3ec61Sdh ipftq_t *ifs_nat_utqe; 229f4b3ec61Sdh int ifs_nat_logging; 230f4b3ec61Sdh ulong_t ifs_fr_defnatage; 231f4b3ec61Sdh ulong_t ifs_fr_defnatipage; 232f4b3ec61Sdh ulong_t ifs_fr_defnaticmpage; 233f4b3ec61Sdh natstat_t ifs_nat_stats; 234f4b3ec61Sdh int ifs_fr_nat_lock; 235f4b3ec61Sdh int ifs_fr_nat_init; 2363805c50fSan uint_t ifs_nat_flush_lvl_hi; 2373805c50fSan uint_t ifs_nat_flush_lvl_lo; 2383805c50fSan ulong_t ifs_nat_last_force_flush; 2393805c50fSan int ifs_nat_doflush; 240f4b3ec61Sdh 241f4b3ec61Sdh /* ip_pool.c */ 242f4b3ec61Sdh ip_pool_stat_t ifs_ipoolstat; 243f4b3ec61Sdh ip_pool_t *ifs_ip_pool_list[IPL_LOGSIZE]; 244f4b3ec61Sdh 245f4b3ec61Sdh /* ip_proxy.c */ 246f4b3ec61Sdh ap_session_t *ifs_ap_sess_list; 247f4b3ec61Sdh aproxy_t *ifs_ap_proxylist; 248f4b3ec61Sdh aproxy_t *ifs_ap_proxies; /* copy of lcl_ap_proxies */ 249f4b3ec61Sdh 250f4b3ec61Sdh /* ip_state.c */ 251f4b3ec61Sdh ipstate_t **ifs_ips_table; 252f4b3ec61Sdh ulong_t *ifs_ips_seed; 253f4b3ec61Sdh int ifs_ips_num; 254f4b3ec61Sdh ulong_t ifs_ips_last_force_flush; 255f4b3ec61Sdh ips_stat_t ifs_ips_stats; 256f4b3ec61Sdh 257f4b3ec61Sdh ulong_t ifs_fr_tcpidletimeout; 258f4b3ec61Sdh ulong_t ifs_fr_tcpclosewait; 259f4b3ec61Sdh ulong_t ifs_fr_tcplastack; 260f4b3ec61Sdh ulong_t ifs_fr_tcptimeout; 261f4b3ec61Sdh ulong_t ifs_fr_tcpclosed; 262f4b3ec61Sdh ulong_t ifs_fr_tcphalfclosed; 263f4b3ec61Sdh ulong_t ifs_fr_udptimeout; 264f4b3ec61Sdh ulong_t ifs_fr_udpacktimeout; 265f4b3ec61Sdh ulong_t ifs_fr_icmptimeout; 266f4b3ec61Sdh ulong_t ifs_fr_icmpacktimeout; 267f4b3ec61Sdh int ifs_fr_statemax; 268f4b3ec61Sdh int ifs_fr_statesize; 269f4b3ec61Sdh int ifs_fr_state_doflush; 270f4b3ec61Sdh int ifs_fr_state_lock; 271f4b3ec61Sdh int ifs_fr_state_maxbucket; 272f4b3ec61Sdh int ifs_fr_state_maxbucket_reset; 273f4b3ec61Sdh int ifs_fr_state_init; 274f4b3ec61Sdh ipftq_t ifs_ips_tqtqb[IPF_TCP_NSTATES]; 275f4b3ec61Sdh ipftq_t ifs_ips_udptq; 276f4b3ec61Sdh ipftq_t ifs_ips_udpacktq; 277f4b3ec61Sdh ipftq_t ifs_ips_iptq; 278f4b3ec61Sdh ipftq_t ifs_ips_icmptq; 279f4b3ec61Sdh ipftq_t ifs_ips_icmpacktq; 2801e6b25a4San ipftq_t ifs_ips_deletetq; 281f4b3ec61Sdh ipftq_t *ifs_ips_utqe; 282f4b3ec61Sdh int ifs_ipstate_logging; 283f4b3ec61Sdh ipstate_t *ifs_ips_list; 284f4b3ec61Sdh ulong_t ifs_fr_iptimeout; 285f4b3ec61Sdh 286f4b3ec61Sdh /* radix.c */ 287f4b3ec61Sdh int ifs_max_keylen; 288f4b3ec61Sdh struct radix_mask *ifs_rn_mkfreelist; 289f4b3ec61Sdh struct radix_node_head *ifs_mask_rnhead; 290f4b3ec61Sdh char *ifs_addmask_key; 291f4b3ec61Sdh char *ifs_rn_zeros; 292f4b3ec61Sdh char *ifs_rn_ones; 293f4b3ec61Sdh #ifdef KERNEL 294f4b3ec61Sdh /* kstats for inbound and outbound */ 295f4b3ec61Sdh kstat_t *ifs_kstatp[2]; 296f4b3ec61Sdh #endif 297f4b3ec61Sdh }; 298f4b3ec61Sdh 299f4b3ec61Sdh #endif /* __IPF_STACK_H__ */ 300